PAPER CRHOMATOGRAPHY
- The art of separating mixtures –
Objective: find out which dyes are present in color markers.
Materials:
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Coloring markers
Filter paper (or paper towels)
Scissors
Alcohol (or water)
Small beakers (or glasses)
Tape
Procedures:
1. Cut several strips of filter paper about a 2 cm wide 15 cm high.
2. Choose a color to draw a big dot 2 cm from the bottom of one strip.
3. Tape the strip to a pencil so it hangs
down into the cup.
4. Pour alcohol into the cup until it is just
barely touching the bottom of the paper
strip.
5. Leave the strip hanging in the water until
the color has traveled most of the way
up the strip.
6. Which dyes make up your color marker?
Results:
a. Which color marker did you use?
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b. Color the dyes you observe on the strip.
c. Which color make up your marker?
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